Canada · 1991–2020

Best time to visit
Bois-Blanc.

August leads for comfortable weather in Bois-Blanc: typically 24.8°C by day, 13.4°C at night, with 104 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortAugust

Typical high24.8°C

Typical low13.4°C

Rain in August104 mm

Comfort

August

August · June · July

78climate match

Beach

July

July · August · June

51climate match

Outdoors

September

September · May · June

78climate match

The weakest month is January, scoring 5 against August’s 78 — days reach only -6.3°C, 30° below the 24°C the score treats as ideal.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

5-6.3° / -17.5°

Feb

5-4.2° / -15.8°

Mar

51.2° / -9°

Apr

1310° / -0.3°

May

5218.8° / 6.5°

Jun

7623.8° / 12°

Jul

7426.1° / 14.6°

Aug

7824.8° / 13.4°

Sep

6020.1° / 8.7°

Oct

2312.5° / 2.9°

Nov

54.6° / -3.3°

Dec

5-2.1° / -11.3°

Monthly climate evidence for Bois-Blanc — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	-6.3°C	-17.5°C	73 mm	11.8	8 h 59	5	Good coverage
February	-4.2°C	-15.8°C	56 mm	9.1	10 h 15	5	Good coverage
March	1.2°C	-9°C	59 mm	8.9	11 h 45	5	Strong coverage
April	10°C	-0.3°C	87 mm	9.8	13 h 29	13	Strong coverage
May	18.8°C	6.5°C	92 mm	11	14 h 57	52	Strong coverage
June	23.8°C	12°C	110 mm	11.6	15 h 46	76	Strong coverage
July	26.1°C	14.6°C	108 mm	11.7	15 h 26	74	Strong coverage
August	24.8°C	13.4°C	104 mm	10.4	14 h 10	78	Good coverage
September	20.1°C	8.7°C	100 mm	10.4	12 h 29	60	Good coverage
October	12.5°C	2.9°C	102 mm	11.3	10 h 49	23	Good coverage
November	4.6°C	-3.3°C	74 mm	10.8	9 h 21	5	Strong coverage
December	-2.1°C	-11.3°C	73 mm	11.6	8 h 38	5	Good coverage

What has changed

Bois-Blanc runs +1.4°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+2.1

Feb

+2.1

Mar

+0.9

Apr

+0.3

May

+1.8

Jun

+1.1

Jul

+1.1

Aug

+0.9

Sep

+1.6

Oct

+2.5

Nov

+0.6

Dec

—

August daytime highs, 2011–2023. Last recorded: 23.3°C.

Records at LOUISEVILLE, 1967–2024
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	10.5°C11 Jan 1980	-40.5°C18 Jan 1982	56 mm26 Jan 1976	143 mm1999 · driest 13 mm in 2011	52
February	10.1°C28 Feb 2024	-40.0°C13 Feb 1967	65 mm20 Feb 1996	140 mm1981 · driest 7 mm in 1980	50
March	22.5°C21 Mar 2012	-32.0°C1 Mar 1992	54 mm19 Mar 1983	127 mm1974 · driest 6 mm in 1967	53
April	31.5°C27 Apr 1990	-17.8°C1 Apr 1969	57 mm23 Apr 2006	173 mm1983 · driest 2 mm in 1999	55
May	36.8°C27 May 2020	-5.6°C2 May 1974	45 mm2 May 2006	261 mm1983 · driest 8 mm in 1975	54
June	35.5°C15 Jun 2001	-2.0°C3 Jun 1986	82 mm22 Jun 1981	194 mm1994 · driest 0 mm in 2020	56
July	35.5°C2 Jul 2002	3.9°C7 Jul 1969	61 mm17 Jul 1992	231 mm1992 · driest 6 mm in 2023	57
August	34.0°C9 Aug 2001	1.0°C29 Aug 1986	73 mm21 Aug 2011	212 mm2011 · driest 4 mm in 2021	53
September	33.0°C9 Sep 2002	-5.5°C29 Sep 1980	91 mm9 Sep 2004	209 mm1999 · driest 2 mm in 2019	51
October	26.5°C4 Oct 2005	-8.4°C31 Oct 2020	66 mm5 Oct 1979	173 mm2006 · driest 13 mm in 2020	49
November	21.8°C5 Nov 2022	-23.2°C23 Nov 2018	89 mm8 Nov 1996	219 mm1983 · driest 15 mm in 2009	51
December	14.5°C6 Dec 2001	-38.9°C27 Dec 1968	46 mm26 Dec 1969	128 mm2022 · driest 17 mm in 2002	50

Typical days per month at LOUISEVILLE, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	28	2	9
February	0	0	25	2	8
March	0	0	26	2	5
April	<1	0	15	3	2
May	4	<1	2	3	0
June	12	3	0	3	0
July	19	4	0	3	0
August	15	2	0	3	0
September	4	<1	<1	3	0
October	<1	0	9	3	<1
November	0	0	21	2	4
December	0	0	27	2	7

How often, not how much — every day in LOUISEVILLE’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	0%	34%	7%	42%	-10.7–-3.2°C
February	0%	31%	7%	38%	-8.0–-1.3°C
March	<1%	28%	7%	34%	-1.3–3.5°C
April	4%	31%	10%	37%	7.1–13.0°C
May	28%	34%	10%	45%	15.7–21.3°C
June	54%	38%	12%	49%	21.6–25.5°C
July	64%	35%	11%	45%	24.3–27.5°C
August	61%	34%	11%	42%	22.8–25.7°C
September	34%	32%	11%	43%	17.7–21.7°C
October	6%	35%	11%	46%	9.9–15.0°C
November	<1%	36%	9%	52%	1.9–6.7°C
December	0%	36%	7%	46%	-5.9–0.4°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1967Each stripe is one year’s mean temperature against the 37-year average. Warmest: 2010. Coolest: 1972.2023

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5905129
NOAA station: CA007014332 · LOUISEVILLE
Station distance: 8.9 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 22 usable years
Daylight: Calculated from latitude 46.25°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from LOUISEVILLE is what differs

Louiseville→Yamachiche→Maskinongé→Chutes-de-Sainte-Ursule→Devault→La Grande-Acadie→

Or put two places side by side: Bois-Blanc vs Louiseville

Best time to visitBois-Blanc.